JP2004203059A5

JP2004203059A5 -

Info

Publication number: JP2004203059A5
Application number: JP2004119956A
Authority: JP
Filing date: 2004-04-15
Publication date: 2005-06-02
Anticipated expiration: 2021-10-15

Description

このような課題を達成するために本発明においては、底面にインク供給口を備えた容器内部を壁により上下に分割し、前記容器の下部側に形成された下部インク収容室と、前記容器の上部側に形成された上部インク収容室とを備え、前記下部インク収容室の底部と上部インク収容室の底部とを接続する吸い上げ流路と、前記インク供給口と前記上部インク収容室とを結ぶ流路の途中に配置されたインクの流れを制御する差圧弁と、前記吸い上げ流路に対向する位置に形成された第１の開口と、前記下部インク収容室に連通する第２の開口と、前記上部、及び下部インク収容室に前記第１、及び第２の開口からインクが注入された状態で、前記第１、及び第２の開口を封止する封止部材とを備える。 In order to achieve such a problem, in the present invention, the interior of a container having an ink supply port on the bottom surface is divided into upper and lower parts by a wall, a lower ink storage chamber formed on the lower side of the container, An upper ink storage chamber formed on the upper side, and connects a suction channel connecting the bottom of the lower ink storage chamber and the bottom of the upper ink storage chamber, the ink supply port, and the upper ink storage chamber. A differential pressure valve that controls the flow of ink disposed in the middle of the flow path, a first opening formed at a position facing the suction flow path, and a second opening communicating with the lower ink storage chamber; And a sealing member that seals the first and second openings in a state where ink is injected into the upper and lower ink storage chambers from the first and second openings .

Claims

The interior of the container provided with an ink supply port on the bottom surface is divided vertically by a wall, and includes a lower ink storage chamber formed on the lower side of the container, and an upper ink storage chamber formed on the upper side of the container,
A suction channel connecting the bottom of the lower ink storage chamber and the bottom of the upper ink storage chamber;
A differential pressure valve for controlling the flow of ink disposed in the middle of a flow path connecting the ink supply port and the upper ink storage chamber;
A first opening formed at a position facing the suction channel;
A second opening communicating with the lower ink storage chamber;
An ink jet recording apparatus comprising: a sealing member that seals the first and second openings in a state where ink is injected into the upper and lower ink storage chambers from the first and second openings. Ink cartridge.

The ink cartridge for an ink jet recording apparatus according to claim 1, wherein the sealing member is a film that seals the first and second ink injection openings in common.

The ink cartridge for an ink jet recording apparatus according to claim 2, wherein the film is the same film as the film attached to the surface of the container.

The ink cartridge for an ink jet recording apparatus according to claim 1, wherein an end portion of the suction channel on the lower ink storage chamber side is formed as a suction port.